Investment Rating - The report maintains a rating of "B" for the new materials PCB materials industry, indicating a positive outlook for the sector [1]. Core Insights - The demand for PCBs is expected to grow significantly due to the rapid development of AI servers, with the domestic PCB market projected to increase from $41.213 billion in 2024 to $49.704 billion by 2029, reflecting a CAGR of 3.8% [2][18]. - The fastest-growing downstream sector for PCBs is the server and data storage market, with a projected CAGR of 11.6% from 2024 to 2029 [23]. - The transition to PCIe 5.0 standards is driving the need for high-frequency and high-speed PCBs, necessitating improvements in dielectric properties of core materials [27][34]. Summary by Sections PCB Market Overview - The global PCB market is expected to reach $94.7 billion by 2029, with a CAGR of 5.2% from 2024 to 2029, driven by AI, data centers, and smart automotive applications [18]. - In 2024, the domestic PCB market is anticipated to grow by 9.0%, reaching $41.213 billion, while the global market is projected to grow by 5.8% [18][23]. Material Demand and Supply - The demand for electronic-grade PPO and hydrocarbon resins is expected to reach 4,558 tons and 1,216 tons respectively by 2025, with growth rates of 41.89% and 41.62% [3][50]. - The global HVLP copper foil market is projected to grow from $2 billion to $5.95 billion between 2024 and 2032, with a CAGR of 14.6% [5][6]. Key Companies - Shengquan Group is expanding its PPO resin production capacity to over 2,000 tons and is involved in multiple expansion projects [7]. - Dongcai Technology is investing 700 million yuan to build a project with an annual capacity of 20,000 tons of electronic materials for high-speed communication [7]. - Zhongcai Technology is the first domestic supplier to achieve mass production of second-generation low-dielectric products [7]. - Honghe Technology has reached international leading quality levels for some high-end electronic fabrics and will begin mass supply in the first half of 2025 [7]. Material Innovations - Low-DK electronic fabrics are essential for M7 and above CCLs, with a projected global market size of $2.3 billion by 2033, growing at a CAGR of 7.5% [4]. - The transition to low Dk/Df materials is critical for PCB performance, with core materials like PPO, hydrocarbon resins, and HVLP copper foils expected to see significant demand growth [37][40].

Investment Rating - The report emphasizes a positive outlook for the construction materials industry, particularly in relation to domestic demand and government policies aimed at stabilizing the housing market and increasing residents' income [1][11]. Core Insights - The Central Political Bureau meeting in 2025 prioritized "maintaining domestic demand and building a strong domestic market," which is crucial for the construction materials sector as it is closely tied to the housing market and residents' income [1][11]. - The Federal Reserve's recent interest rate cut of 25 basis points is expected to alleviate external debt pressures for African countries, potentially increasing investment opportunities in the region, which is highlighted as a key area for expansion [2][12]. - The report discusses the rapid evolution of AI materials, suggesting a strategy of "stability in response to change," with a focus on companies like Zhongcai Technology and Copper Crown Copper Foil, which are positioned to benefit from technological advancements and market demand [3][13]. Summary by Sections Weekly Discussion - The report highlights the importance of domestic demand for the construction materials industry, linking it to government initiatives aimed at increasing income and stabilizing the housing market [1][11]. Market Performance - The construction materials index showed a slight decline of -0.01%, with specific segments like glass manufacturing and cement experiencing varied performance [18][21]. - The report notes that the national average price for cement is 355 RMB/t, with a year-on-year decrease of 70 RMB/t but a month-on-month increase of 5 RMB/t [14][30]. Price Changes in Construction Materials - Cement prices have shown regional variations, with increases in areas like Henan and Guangdong, while declines were noted in Sichuan and Yunnan [30]. - The floating glass market is experiencing a slight upward trend, with the average price reaching 1163.86 RMB/t, reflecting a 1.40% increase from the previous week [41][42]. Industry Trends - The report identifies a trend towards AI materials, particularly in electronic fabrics and high-end copper foil, with companies like Zhongcai Technology and Copper Crown Copper Foil leading the way in innovation and market share [3][13]. - The glass fiber market is showing slight price increases, driven by selective price hikes from certain manufacturers, with the average price for 2400tex non-alkali yarn at 3535.25 RMB/t [65].

Group 1 - The company, Tongguan Copper Foil, reported that as of November 28, 2025, the number of shareholders is 63,684 [2]

Market Performance - The Anhui state-owned enterprise reform sector rose by 0.13% compared to the previous trading day, with Tongguan Copper Foil leading the gains [1] - The Shanghai Composite Index closed at 3924.08, up 0.54%, while the Shenzhen Component Index closed at 13329.99, up 1.39% [1] Top Gainers - Tongguan Copper Foil (301217) closed at 32.86, up 6.65% with a trading volume of 502,100 shares and a transaction value of 1.643 billion [1] - Jinghe Integrated (688249) closed at 32.46, up 5.18% with a trading volume of 543,000 shares and a transaction value of 1.728 billion [1] - Hefei Urban Construction (002208) closed at 12.22, up 4.98% with a trading volume of 1,061,400 shares and a transaction value of 1.284 billion [1] Top Losers - Hengnong Heavy (600971) closed at 6.62, down 2.22% with a trading volume of 132,300 shares and a transaction value of 88.0431 million [2] - Anhui Electric Power (000543) closed at 8.16, down 1.57% with a trading volume of 345,200 shares and a transaction value of 282 million [2] - Huai Bei Mining (600985) closed at 11.60, down 1.53% with a trading volume of 235,200 shares and a transaction value of 273 million [2] Capital Flow - The Anhui state-owned enterprise reform sector experienced a net outflow of 26.9167 million from main funds, while retail investors saw a net inflow of 43.5742 million [2] - The main funds showed a significant net inflow in Jinghe Integrated (688249) amounting to 267.1 million, while retail investors had a net outflow of 26.4 million [3] - Tongguan Copper Foil (301217) had a net inflow of 86.5213 million from main funds, with retail investors contributing a net inflow of 23.5911 million [3]

Core Viewpoint - The report highlights that Tongguan Copper Foil is a leader in domestic AI copper foil, with its self-developed technology recognized by overseas supply chains and achieving bulk supply, emphasizing that technological strength and cost will be key in the future for domestic substitution and market share expansion [1][2]. Group 1: Industry Trends - Since the beginning of the fourth quarter, three directions—overseas expansion, AI new materials, and domestic demand in the real estate chain—have shown a characteristic of "rationality and restraint," indicating short-term fluctuations rather than trend changes [1]. - The trend of upgrading AI materials has led to accelerated entry of domestic and foreign manufacturers into the industry, with many participants and high-frequency feedback, suggesting a strategy of "responding steadily" [2]. Group 2: Company Insights - Tongguan Copper Foil's technological accumulation and low debt ratio will continue to support its position as a "leader" in the market [2]. - The copper foil upgrade direction is clearer compared to electronic fabrics, with no significant disputes over product dominance, indicating a more straightforward upgrade path to fourth-generation copper foil [2]. Group 3: Market Data - The national average price of high-standard cement is 355 RMB/ton, down 70 RMB/ton year-on-year, and up 5 RMB/ton month-on-month, with an average shipment rate of 44.6% [3]. - The average price of float glass is 1163.86 RMB/ton, an increase of 16.02 RMB/ton, with a 1.40% rise [3]. - The capacity utilization rate of concrete mixing stations is 8.15%, up 0.46 percentage points month-on-month [3].

Group 1: Optical Modules - The optical module industry is experiencing the highest growth and performance realization among AI hardware this year, driven by high verification barriers for North American CSP tech giants and increasing demand due to the acceleration of supernode technology [2][4] - The average ratio of optical modules to GPUs is continuously increasing, with demand for 800G and 1.6T optical modules being revised upwards, indicating a strong upward resonance in demand [2][4] - By 2026, the demand for 1.6T optical modules is expected to exceed 30 million units, with an average price of $900-1000 per unit, while high-end EML optical chips are projected to face a 25-30% supply shortage [4][5] Group 2: Liquid Cooling - The liquid cooling industry has seen fluctuating trends this year, with initial enthusiasm dampened by low penetration rates, followed by a resurgence in August and significant breakthroughs in November [5][9] - The demand for liquid cooling in North America is expected to expand rapidly by 2026, with penetration rates in the NVIDIA ecosystem projected to rise from 20-30% to over 80-90% [7][9] - A leading domestic manufacturer is anticipated to capture a market share of 13-17% in North America by 2026, with Google expected to implement liquid cooling solutions for over 200,000 TPU V7 chips, creating a market space exceeding $24-28 billion [9][10] Group 3: AI PCB - The AI PCB industry is thriving, with companies like Shenghong, Huidian, and Shengyi achieving performance realization in North America, despite some quarterly fluctuations [10][12] - The supply side is seeing an increase in product value and manufacturing difficulty due to upgrades in customer chips and cabinet solutions, leading to a marginal differentiation in the supply landscape [10][12] - By 2026, the introduction of orthogonal backplanes is expected to significantly increase unit value, with M9 material processing anticipated to break through, although mass production is expected to ramp up in 2027 [12][13] Group 4: Server Power Supply - The server power supply market has shown similar trends to liquid cooling, with initial excitement followed by a divergence in performance among manufacturers [13][14] - The supply side is dominated by Taiwanese manufacturers, with a high concentration of market share, while domestic manufacturers are expected to make significant breakthroughs in North America by 2026 [14][15] - The adoption of HVDC technology is projected to replace traditional UPS solutions, with an expected market scale exceeding $20-30 billion by 2026 [15]

Market Overview - The Anhui state-owned enterprise reform sector experienced a decline of 0.37% on December 2, with the leading decline from Tongguan Copper Foil [1] - The Shanghai Composite Index closed at 3897.71, down 0.42%, while the Shenzhen Component Index closed at 13056.7, down 0.68% [1] Stock Performance - Notable gainers in the Anhui state-owned enterprise reform sector included: - Guofeng New Materials (Code: 000859) with a closing price of 9.23, up 10.01% and a trading volume of 1.47 million shares, totaling 1.32 billion yuan [1] - He Bai Group (Code: 000417) with a closing price of 7.56, up 4.42% and a trading volume of 890,200 shares, totaling 684 million yuan [1] - Conversely, the biggest loser was Tongguan Copper Foil (Code: 301217) with a closing price of 30.59, down 3.74% and a trading volume of 230,700 shares, totaling 709 million yuan [2] Capital Flow - The Anhui state-owned enterprise reform sector saw a net outflow of 41.0042 million yuan from institutional investors, while retail investors contributed a net inflow of 104 million yuan [2] - The capital flow for specific stocks showed: - Guofeng New Materials had a net inflow of 117 million yuan from institutional investors, but a net outflow of 46.804 million yuan from speculative funds [3] - He Bai Group experienced a net inflow of 90.4426 million yuan from institutional investors, with a net outflow of 19.3908 million yuan from speculative funds [3]

Investment Rating - The report maintains a positive outlook on the AI new materials sector, particularly focusing on domestic leaders such as Zhongcai Technology and Tongguan Copper Foil, which are expected to maintain a technological edge and product reserves [1][11]. Core Insights - The demand for AI new materials is increasing, with a notable distinction between the Google chain and NV chain, leading to differences in quantity, suppliers, and generational products. Cost-effectiveness is prioritized, especially in materials like fiberglass cloth and copper foil [1][11]. - The report highlights the potential for domestic substitution in the market, particularly in response to statements from Mitsui Mining and Manufacturing, indicating a shift in production dynamics among Japanese material companies [1][11]. - The report emphasizes the importance of balancing profitability, capacity, and customer relationships in the context of limited domestic supply capabilities, suggesting that domestic players are currently in a follower position rather than a leading one [1][11]. Summary by Sections Weekly Discussion - The focus this week is on the Google chain, Mitsui's statements, and the motivation for Japanese material companies to shift production. The domestic leaders in materials are expected to maintain their technological advantages [1][11]. Cyclical Linkage - Cement prices averaged 350 RMB/t, down 78 RMB/t year-on-year, with an average shipment rate of 45.4%. Glass prices decreased to 1147.84 RMB/ton, a drop of 20.53 RMB/ton, with inventory days at 30.42 days [3][13]. - The report notes a slight increase in the price of fiberglass, with the average price for 2400tex alkali-free yarn at 3535.25 RMB/ton, reflecting a 0.1% increase [3][61]. Market Performance - The construction materials index decreased by 1.18%, with specific declines in glass manufacturing and fiberglass sectors. The report indicates a need for cautious observation of the cement market due to low demand [16][12]. Price Changes in Construction Materials - Cement prices continued to decline by 0.2%, with regional variations noted. The report indicates a high inventory level in the cement market, with a capacity ratio of 68.13% [29][30]. - The floating glass market is stabilizing, with an average price of 1147.84 RMB/ton, although high inventory levels continue to exert downward pressure on prices [3][42].

Core Insights - The battery sector experienced a rise of 1.11% on the previous trading day, with Wanrun New Energy leading the gains [1] - The Shanghai Composite Index closed at 3888.6, up 0.34%, while the Shenzhen Component Index closed at 12984.08, up 0.85% [1] Battery Sector Performance - Wanrun New Energy (688275) saw a significant increase of 16.88%, closing at 91.55, with a trading volume of 159,900 shares and a transaction value of 1.412 billion yuan [1] - Hunan Youneng (301358) rose by 11.01% to close at 76.51, with a trading volume of 349,700 shares and a transaction value of 2.589 billion yuan [1] - Fengyuan Co., Ltd. (002805) increased by 10.01%, closing at 20.34, with a trading volume of 364,900 shares and a transaction value of 709 million yuan [1] - Other notable performers included Binhai Energy (000695) up 10.00%, Honggong Technology (301662) up 8.81%, and Jiao Cheng Ultrasonic (688392) up 7.66% [1] Capital Flow Analysis - The battery sector saw a net inflow of 1.23 billion yuan from main funds, while retail investors experienced a net outflow of 1.441 billion yuan [2] - The overall capital flow indicates a strong interest from institutional investors despite the outflow from retail investors [2]

Market Overview - The battery sector increased by 0.18% compared to the previous trading day, with Li Yuanheng leading the gains [1] - The Shanghai Composite Index closed at 3836.77, up 0.05%, while the Shenzhen Component Index closed at 12585.08, up 0.37% [1] Top Gainers in Battery Sector - Li Yuanheng (688499) closed at 56.13, up 11.63% with a trading volume of 136,600 shares and a transaction value of 760 million [1] - Boliwei (688345) closed at 33.00, up 9.27% with a trading volume of 37,000 shares and a transaction value of 120 million [1] - Tongguan Copper Foil (301217) closed at 30.50, up 7.66% with a trading volume of 421,000 shares and a transaction value of 1.257 billion [1] Decliners in Battery Sector - ST Hezhong (300477) closed at 3.11, down 16.84% with a trading volume of 1,973,600 shares and a transaction value of 672 million [2] - Dexin Technology (603032) closed at 18.95, down 9.98% with a trading volume of 194,700 shares and a transaction value of 371 million [2] - Enjie Co., Ltd. (002812) closed at 52.45, down 5.83% with a trading volume of 611,300 shares and a transaction value of 3.208 billion [2] Capital Flow Analysis - The battery sector experienced a net outflow of 1.953 billion from institutional investors, while retail investors saw a net inflow of 2.239 billion [2][3] - Notable net inflows from retail investors were observed in companies like Ningde Times and Xinwanda, while significant outflows were noted in ST Hezhong and Dexin Technology [3] Individual Stock Capital Flow - Ningde Times (300750) had a net inflow of 2.62 billion from institutional investors, while retail investors experienced a net outflow of 3.02 billion [3] - Xinwanda (300207) saw a net inflow of 73.28 million from institutional investors, with a net outflow of 80.40 million from retail investors [3] - Li Yuanheng (688499) had a net inflow of 58 million from institutional investors, with retail investors also experiencing a net outflow of 2.09 million [3]